WHY I STILL DOUBT INFLATION, IN SPITE OF GRAVITATIONAL WAVE FINDINGS

[3.17.14]

...inflation has always been more a product of imagination than empirical evidence. There has never been more than circumstantial, hand-wavy support for its core mechanism, the reversal of gravity. Worse, the theory came in many different forms. My favorite was the eternally self-reproducing chaotic inflationary multiverse model proposed by Andrei Linde, who along with Alan Guth and Paul Steinhardt is credited with inventing inflation. ...

...Just two months ago, inflation pioneer Paul Steinhardt wrote on the website Edge.org: "I think a priority for theorists today is to determine if inflation and string theory can be saved from devolving into a Theory of Anything and, if not, seek new ideas to replace them. Because an unfalsifiable Theory of Anything creates unfair competition for real scientific theories, leaders in the field can play an important role by speaking out—making it clear that Anything is not acceptable—to encourage talented young scientists to rise up and meet the challenge."

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...inflation has always been more a product of imagination than empirical evidence. There has never been more than circumstantial, hand-wavy support for its core mechanism, the reversal of gravity. Worse, the theory came in many different forms. My favorite was the eternally self-reproducing chaotic inflationary multiverse model proposed by Andrei Linde, who along with Alan Guth and Paul Steinhardt is credited with inventing inflation. ...

...Just two months ago, inflation pioneer Paul Steinhardt wrote on the website Edge.org: "I think a priority for theorists today is to determine if inflation and string theory can be saved from devolving into a Theory of Anything and, if not, seek new ideas to replace them. Because an unfalsifiable Theory of Anything creates unfair competition for real scientific theories, leaders in the field can play an important role by speaking out—making it clear that Anything is not acceptable—to encourage talented young scientists to rise up and meet the challenge."